diff --git a/domiSMP-ui-tests/pom.xml b/domiSMP-ui-tests/pom.xml
index f7f66aa1df1c82e99c6d97102493b62a4b04c18d..62d21f9f0ce95d9a01466b335bf3e1b61a25658d 100644
--- a/domiSMP-ui-tests/pom.xml
+++ b/domiSMP-ui-tests/pom.xml
@@ -11,8 +11,8 @@
         <!-- configuration example-->
         <test.properties.path>./src/main/resources/myLocal.properties</test.properties.path>
         <commons-csv_version>1.10.0</commons-csv_version>
-        <selenium-chrome-driver_version>4.15.0</selenium-chrome-driver_version>
-        <selenium-java_version>4.15.0</selenium-java_version>
+        <selenium-chrome-driver_version>4.16.1</selenium-chrome-driver_version>
+        <selenium-java_version>4.16.1</selenium-java_version>
         <poi-ooxml_version>5.2.4</poi-ooxml_version>
         <reflections_version>0.10.2</reflections_version>
         <jersey-client_version>1.19.4</jersey-client_version>
diff --git a/domiSMP-ui-tests/src/main/java/ddsl/dcomponents/mat/MatSelect.java b/domiSMP-ui-tests/src/main/java/ddsl/dcomponents/mat/MatSelect.java
index f7c4d96c43f879ad0b1584c525d871d5ac596d57..dd421a42f2f4b97066abc17073670c7524ff5df8 100644
--- a/domiSMP-ui-tests/src/main/java/ddsl/dcomponents/mat/MatSelect.java
+++ b/domiSMP-ui-tests/src/main/java/ddsl/dcomponents/mat/MatSelect.java
@@ -26,4 +26,14 @@ public class MatSelect extends DObject {
         wait.forElementToBeVisible(option);
         option.click();
     }
+
+    /**
+     * Method returns the current selected text!
+     *
+     * @return the text displayed in the select
+     */
+    public String getCurrentText() {
+        return element.getText();
+
+    }
 }
diff --git a/domiSMP-ui-tests/src/main/java/ddsl/dobjects/DObject.java b/domiSMP-ui-tests/src/main/java/ddsl/dobjects/DObject.java
index 15045f67fc75d222ca38cf770c7d9f4c964ccefe..92f49ac8f25e33ab80f63fc338a64baa3d2b938d 100644
--- a/domiSMP-ui-tests/src/main/java/ddsl/dobjects/DObject.java
+++ b/domiSMP-ui-tests/src/main/java/ddsl/dobjects/DObject.java
@@ -60,9 +60,9 @@ public class DObject {
         throw new Exception();
     }
 
-    public String getText() throws Exception {
+    public String getText() {
         if (!isPresent()) {
-            throw new Exception();
+            throw new ElementNotInteractableException("Element: ["+ element.getAccessibleName() +"] not present");
         }
         scrollIntoView();
         String text = ((JavascriptExecutor) driver).executeScript("return arguments[0].innerText;", element).toString();
@@ -73,7 +73,7 @@ public class DObject {
         ((JavascriptExecutor) driver).executeScript("arguments[0].scrollIntoView();", element);
     }
 
-    public void click() throws ElementNotInteractableException {
+    public void click()  {
         if (isEnabled()) {
             wait.forElementToBeClickable(element).click();
         } else {
diff --git a/domiSMP-ui-tests/src/main/java/ddsl/dobjects/DSelect.java b/domiSMP-ui-tests/src/main/java/ddsl/dobjects/DSelect.java
index 91ba20e95e98d526374d3c770bcd8b3656b3728e..a8ad307f7dafc6529882bfd456ba0dab5c9ab6a0 100644
--- a/domiSMP-ui-tests/src/main/java/ddsl/dobjects/DSelect.java
+++ b/domiSMP-ui-tests/src/main/java/ddsl/dobjects/DSelect.java
@@ -4,11 +4,14 @@ import org.openqa.selenium.Keys;
 import org.openqa.selenium.WebDriver;
 import org.openqa.selenium.WebElement;
 import org.openqa.selenium.support.ui.Select;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Generic wrapper for select element.
  */
 public class DSelect extends DObject {
+    private final static Logger LOG = LoggerFactory.getLogger(DSelect.class);
     Select select = new Select(element);
     public DSelect(WebDriver driver, WebElement element) {
         super(driver, element);
@@ -22,6 +25,8 @@ public class DSelect extends DObject {
             select.getWrappedElement().sendKeys(Keys.ENTER);
         }
         wait.forXMillis(10);
+        LOG.debug("Selecting by visible text: [{}]", value);
+        select.getAllSelectedOptions().stream().forEach(e ->  LOG.debug("value to select", e.getText()));
         select.selectByVisibleText(value);
     }
 
diff --git a/domiSMP-ui-tests/src/main/java/ddsl/enums/ResponseCertificates.java b/domiSMP-ui-tests/src/main/java/ddsl/enums/ResponseCertificates.java
index ec7d97701cf5d9447d6b2f6f90877784a075fdae..e762ece5b0249f20b98f3ea74841ee30ef04bfc1 100644
--- a/domiSMP-ui-tests/src/main/java/ddsl/enums/ResponseCertificates.java
+++ b/domiSMP-ui-tests/src/main/java/ddsl/enums/ResponseCertificates.java
@@ -1,23 +1,47 @@
 package ddsl.enums;
 
+/**
+ * Enumeration of data for provided certificates in the test truststure.
+ * This is used to select the correct certificate in the UI.
+ */
 public enum ResponseCertificates {
-    SMP_DOMAIN_02("smp_domain_02 (CN=smp_domain_02,O=digit,C=eu:000000006443d987)"),
-    SMP_EDDSA_448("smp_eddsa_448 (CN=smp_eddsa_448,O=digit,C=eu:000000006443fcba)"),
-    SMP_ECDSA_NIST_B409("smp_ecdsa_nist-b409 (CN=smp_ecdsa_nist-b409,O=digit,C=eu:000000006443fd57)"),
-    SMP_DOMAIN_01("smp_domain_01 (CN=smp_domain_01,O=digit,C=eu:000000006443d8a8)"),
-    SAMPLE_KEY("sample_key (CN=demo-smp-signing-key,O=digit,C=eu:000000006443f9bc)"),
-    SMP_EDDSA_25519("smp_eddsa_25519 (CN=smp_eddsa_25519,O=digit,C=eu:000000006443d95d)");
-
-    public String getName() {
-        return name;
+
+    SAMPLE_KEY("sample_key", "sample_key (CN=demo-smp-signing-key,O=digit,C=eu:000000006443f9bc)"),
+    SMP_DOMAIN_01("smp_domain_01", "smp_domain_01 (CN=smp_domain_01,O=digit,C=eu:000000006443d8a8)"),
+    SMP_DOMAIN_02("smp_domain_02", "smp_domain_02 (CN=smp_domain_02,O=digit,C=eu:000000006443d987)"),
+    SMP_ECDSA_NIST_B409("smp_ecdsa_nist-b409", "smp_ecdsa_nist-b409 (CN=smp_ecdsa_nist-b409,O=digit,C=eu:000000006443fd57)"),
+    SMP_EDDSA_448("smp_eddsa_448", "smp_eddsa_448 (CN=smp_eddsa_448,O=digit,C=eu:000000006443fcba)"),
+    SMP_EDDSA_25519("smp_eddsa_25519", "smp_eddsa_25519 (CN=smp_eddsa_25519,O=digit,C=eu:000000006443d95d)");
+
+
+    private final String text;
+    private final String alias;
+
+    ResponseCertificates(String alias, String text) {
+        this.alias = alias;
+        this.text = text;
     }
 
-    public final String name;
+    public String getText() {
+        return text;
+    }
 
+    public String getAlias() {
+        return alias;
+    }
 
-    ResponseCertificates(String name) {
-        this.name = name;
+    public static ResponseCertificates getByAlias(String alias) {
+        for (ResponseCertificates e : values()) {
+            if (e.getAlias().equals(alias)) {
+                return e;
+            }
+        }
+        return null;
     }
 
+    public static String getTextForAlias(String alias) {
+        ResponseCertificates certificates = getByAlias(alias);
 
+        return certificates != null ? certificates.getText() : null;
+    }
 }
diff --git a/domiSMP-ui-tests/src/main/java/pages/systemSettings/domainsPage/DomainTab.java b/domiSMP-ui-tests/src/main/java/pages/systemSettings/domainsPage/DomainTab.java
index e9c4c0292626130cb279d9312c7fc1c19b9c9b8d..c5d47fa9b915e12019bcd55d3257d0a839a735f2 100644
--- a/domiSMP-ui-tests/src/main/java/pages/systemSettings/domainsPage/DomainTab.java
+++ b/domiSMP-ui-tests/src/main/java/pages/systemSettings/domainsPage/DomainTab.java
@@ -1,6 +1,8 @@
 package pages.systemSettings.domainsPage;
 
 import ddsl.dcomponents.DComponent;
+import ddsl.enums.ResponseCertificates;
+import org.apache.poi.util.StringUtil;
 import org.openqa.selenium.WebDriver;
 import org.openqa.selenium.WebElement;
 import org.openqa.selenium.support.FindBy;
@@ -22,6 +24,7 @@ public class DomainTab extends DComponent {
     private WebElement visibilityOfDomainDdl;
     @FindBy(id = "saveButton")
     private WebElement saveBtn;
+
     public DomainTab(WebDriver driver) {
         super(driver);
         PageFactory.initElements(new AjaxElementLocatorFactory(driver, data.getWaitTimeShort()), this);
@@ -33,7 +36,7 @@ public class DomainTab extends DComponent {
     }
 
     public String getResponseSignatureCertificateSelectedValue() {
-        return weToDSelect(responseSignatureCertificateDdl).getCurrentValue();
+        return weToMatSelect(responseSignatureCertificateDdl).getCurrentText();
     }
 
     public String getVisibilityOfDomainSelectedValue() {
@@ -41,9 +44,18 @@ public class DomainTab extends DComponent {
     }
 
     public void fillDomainData(DomainModel domainModel) {
+        ResponseCertificates responseCertificates = ResponseCertificates
+                .getByAlias(domainModel.getSignatureKeyAlias());
+        if (StringUtil.isNotBlank(domainModel.getSignatureKeyAlias()) && responseCertificates == null) {
+            LOG.warn("Cannot find signature key for alias [{}]", domainModel.getSignatureKeyAlias());
+        }
+
         domainIdInput.sendKeys(domainModel.getDomainCode());
 
-        weToDSelect(responseSignatureCertificateDdl).selectByVisibleText(domainModel.getSignatureKeyAlias(), true);
+        if (responseCertificates != null) {
+            weToMatSelect(responseSignatureCertificateDdl)
+                    .selectByVisibleText(responseCertificates.getText());
+        }
         weToDSelect(visibilityOfDomainDdl).selectValue(domainModel.getVisibility());
     }
 
diff --git a/domiSMP-ui-tests/src/main/java/pages/systemSettings/domainsPage/SMLIntegrationTab.java b/domiSMP-ui-tests/src/main/java/pages/systemSettings/domainsPage/SMLIntegrationTab.java
index cca2dce0625c3ffb98270d7995b9f3a5ba5d7942..a1c79865cf04c64b64c3c5b2bf7cd5c69f5089a1 100644
--- a/domiSMP-ui-tests/src/main/java/pages/systemSettings/domainsPage/SMLIntegrationTab.java
+++ b/domiSMP-ui-tests/src/main/java/pages/systemSettings/domainsPage/SMLIntegrationTab.java
@@ -2,6 +2,8 @@ package pages.systemSettings.domainsPage;
 
 import ddsl.dcomponents.ConfirmationDialog;
 import ddsl.dcomponents.DComponent;
+import ddsl.enums.ResponseCertificates;
+import org.apache.poi.util.StringUtil;
 import org.openqa.selenium.WebDriver;
 import org.openqa.selenium.WebElement;
 import org.openqa.selenium.support.FindBy;
@@ -39,11 +41,19 @@ public class SMLIntegrationTab extends DComponent {
     }
 
     public void fillSMLIntegrationTab(DomainModel domainModel) {
+        ResponseCertificates responseCertificates = ResponseCertificates
+                .getByAlias(domainModel.getSignatureKeyAlias());
+        if (StringUtil.isNotBlank(domainModel.getSignatureKeyAlias()) &&  responseCertificates== null) {
+            LOG.warn("Cannot find signature key for alias [{}]", domainModel.getSignatureKeyAlias());
+        }
         try {
+
             weToDInput(smlDomainInput).fill(domainModel.getSmlSubdomain());
             weToDInput(smlsmpIdentifierInput).fill(domainModel.getSmlSmpId());
-            //TODO : check of clientcertificatealias is changed from mat-select to select
-            weToDSelect(smlClientCertificateAliasDdl).selectByVisibleText(domainModel.getSignatureKeyAlias(), true);
+            if (responseCertificates != null) {
+                weToDSelect(smlClientCertificateAliasDdl)
+                        .selectByVisibleText(responseCertificates.getText(), true);
+            }
             weToDButton(useClientCertBtn).click();
 
         } catch (Exception e) {
diff --git a/domiSMP-ui-tests/src/main/java/rest/models/DomainModel.java b/domiSMP-ui-tests/src/main/java/rest/models/DomainModel.java
index dd87531c9dacebf0442bfbb269cfddc34a4bae61..b39c3b91e78fb99bdb95f2810a0cfb3a4a0ca34d 100644
--- a/domiSMP-ui-tests/src/main/java/rest/models/DomainModel.java
+++ b/domiSMP-ui-tests/src/main/java/rest/models/DomainModel.java
@@ -1,7 +1,6 @@
 package rest.models;
 
 import ddsl.enums.ResponseCertificates;
-import org.apache.commons.lang3.StringUtils;
 import utils.Generator;
 import utils.Utils;
 
@@ -149,19 +148,19 @@ public class DomainModel {
     public static DomainModel generatePublicDomainModelWithSML() {
         DomainModel domainModel = new DomainModel();
         domainModel.domainCode = "AUTDom" + Generator.randomAlphaNumericValue(6);
-        domainModel.signatureKeyAlias = Utils.randomEnum(new ResponseCertificates[]{SMP_DOMAIN_01, SMP_DOMAIN_02}).getName();
+        domainModel.signatureKeyAlias = Utils.randomEnum(new ResponseCertificates[]{SMP_DOMAIN_01, SMP_DOMAIN_02}).getAlias();
         domainModel.visibility = "PUBLIC";
         domainModel.smlClientCertAuth = true;
         domainModel.smlSubdomain = "AUTDomSML" + Generator.randomAlphaNumericValue(6);
         domainModel.smlSmpId = "AUTSMLSMP" + Generator.randomAlphaNumericValue(4);
-        domainModel.smlClientKeyAlias = StringUtils.lowerCase(Utils.randomEnum(new ResponseCertificates[]{SMP_DOMAIN_01, SMP_DOMAIN_02}).toString());
+        domainModel.smlClientKeyAlias = Utils.randomEnum(new ResponseCertificates[]{SMP_DOMAIN_01, SMP_DOMAIN_02}).getAlias();
         return domainModel;
     }
 
     public static DomainModel generatePublicDomainModelWithoutSML() {
         DomainModel domainModel = new DomainModel();
         domainModel.domainCode = "AUTDom" + Generator.randomAlphaNumericValue(6);
-        domainModel.signatureKeyAlias = Utils.randomEnum(ResponseCertificates.values()).getName();
+        domainModel.signatureKeyAlias = Utils.randomEnum(ResponseCertificates.values()).getAlias();
         domainModel.visibility = "PUBLIC";
         return domainModel;
     }
diff --git a/domiSMP-ui-tests/src/test/java/domiSMPTests/SeleniumTest.java b/domiSMP-ui-tests/src/test/java/domiSMPTests/SeleniumTest.java
index 8a0e6bb52fdc38d2552aaec8be29ffd73990cd11..74b5f38877d167f85d45bcc57a7d4cb143d065d4 100644
--- a/domiSMP-ui-tests/src/test/java/domiSMPTests/SeleniumTest.java
+++ b/domiSMP-ui-tests/src/test/java/domiSMPTests/SeleniumTest.java
@@ -58,6 +58,7 @@ public class SeleniumTest {
         try {
             driver.get(data.getUiBaseUrl());
         } catch (Exception e) {
+            LOG.warn("Driver is not initialized, try to reninitialize it");
             driver = DriverManager.getDriver();
             driver.get(data.getUiBaseUrl());
         }
diff --git a/domiSMP-ui-tests/src/test/java/domiSMPTests/ui/DomainsPgTests.java b/domiSMP-ui-tests/src/test/java/domiSMPTests/ui/DomainsPgTests.java
index 8ad44e1ec6d2777ec4184d6311563522ceb51a15..62fae7c3fe5de1a4317d62d23585fb9a907839c1 100644
--- a/domiSMP-ui-tests/src/test/java/domiSMPTests/ui/DomainsPgTests.java
+++ b/domiSMP-ui-tests/src/test/java/domiSMPTests/ui/DomainsPgTests.java
@@ -2,6 +2,7 @@ package domiSMPTests.ui;
 
 import ddsl.DomiSMPPage;
 import ddsl.enums.Pages;
+import ddsl.enums.ResponseCertificates;
 import domiSMPTests.SeleniumTest;
 import org.openqa.selenium.WebElement;
 import org.testng.annotations.BeforeMethod;
@@ -48,7 +49,7 @@ public class DomainsPgTests extends SeleniumTest {
         soft.assertEquals(alert, "Domain: [" + domainModel.getDomainCode() + "] was created!");
 
         domainsPage.getLeftSideGrid().searchAndGetElementInColumn("Domain code", domainModel.getDomainCode()).click();
-        soft.assertEquals(domainModel.getSignatureKeyAlias(), domainsPage.getDomainTab().getResponseSignatureCertificateSelectedValue());
+        soft.assertEquals(ResponseCertificates.getTextForAlias(domainModel.getSignatureKeyAlias()), domainsPage.getDomainTab().getResponseSignatureCertificateSelectedValue());
         soft.assertEquals(domainModel.getVisibility(), domainsPage.getDomainTab().getVisibilityOfDomainSelectedValue());
         soft.assertEquals(domainsPage.getDomainWarningMessage(), "To complete domain configuration, please:\n" +
                 "select at least one resource type from the Resource Types tab\n" +
diff --git a/smp-angular/src/app/system-settings/admin-domain/domain-panel/domain-panel.component.html b/smp-angular/src/app/system-settings/admin-domain/domain-panel/domain-panel.component.html
index b72db1151091c0f661fe995013c17c04de6deaf1..faa8f9d855ddbe51d236c02366f4885fc88683d1 100644
--- a/smp-angular/src/app/system-settings/admin-domain/domain-panel/domain-panel.component.html
+++ b/smp-angular/src/app/system-settings/admin-domain/domain-panel/domain-panel.component.html
@@ -34,14 +34,14 @@
     </mat-form-field>
     <mat-form-field style="width:100%">
       <mat-label>Response signature Certificate (Signature CertAlias)</mat-label>
-      <select matNativeControl matInput formControlName="signatureKeyAlias"
+      <mat-select formControlName="signatureKeyAlias"
                   matTooltip="Certificate is used for signing REST responses for the domain."
                   id="signatureKeyAlias_id">
-        <option [value]="''" ></option>
-        <option *ngFor="let cert of keystoreCertificates" [value]="cert.alias">
+        <mat-option [value]="''" ></mat-option>
+        <mat-option *ngFor="let cert of keystoreCertificates" [value]="cert.alias">
           {{cert.alias}} ({{cert.certificateId}})
-        </option>
-      </select>
+        </mat-option>
+      </mat-select>
       <mat-hint align="end">Empty value will cause that Resource responses will not be signed by SMP!
       </mat-hint>
     </mat-form-field>
diff --git a/smp-angular/src/styles.css b/smp-angular/src/styles.css
index cee796e558d422b19a1a79295cf5c3c0d9eee7eb..f8de075c4a32fc3c2485e05203f8f481c99e833e 100644
--- a/smp-angular/src/styles.css
+++ b/smp-angular/src/styles.css
@@ -44,6 +44,11 @@ td , th {
   padding: 10px !important;
 }
 
+.mat-select {
+  padding-top: 0 !important;
+  padding-bottom: 0 !important;
+}
+
 .text-select {
   -webkit-user-select: text;
   -moz-user-select: text;
diff --git a/smp-docker/compose/tomcat-mysql-smp-sml/docker-compose.test-ui.yml b/smp-docker/compose/tomcat-mysql-smp-sml/docker-compose.test-ui.yml
index c1460c22cf19998c89eeb3d235b935a4e1de340e..a8a8d837599b002abb8f544c1c2853b3c8b1da13 100644
--- a/smp-docker/compose/tomcat-mysql-smp-sml/docker-compose.test-ui.yml
+++ b/smp-docker/compose/tomcat-mysql-smp-sml/docker-compose.test-ui.yml
@@ -6,7 +6,9 @@ services:
   testui:
     image: ${IMAGE_TAG:-edeliverytest}/${IMAGE_SMP_TEST_UI}:${SMP_VERSION}
     environment:
-      - TZ=CEST # set timezone CEST because of hardoced date UI test assertions
+      - TZ=CEST
+      - SCREEN_WIDTH=1920
+      - SCREEN_HEIGHT=1080
     networks:
       - test-network
 networks:
diff --git a/smp-docker/compose/tomcat-mysql-smp-sml/runTests-UI.sh b/smp-docker/compose/tomcat-mysql-smp-sml/runTests-UI.sh
index 143aa163f03262374f2a0dfad072ac12e3859abd..985c885849e42997862697dd5c80380c8f6f7601 100755
--- a/smp-docker/compose/tomcat-mysql-smp-sml/runTests-UI.sh
+++ b/smp-docker/compose/tomcat-mysql-smp-sml/runTests-UI.sh
@@ -21,5 +21,5 @@ DOCKER_NETWORK_NAME="${PLAN_PREFIX}_default"
 export DOCKER_NETWORK_NAME
 
 # Starting Docker Compose TEST (in specific project to avoid orphan container warning)
-docker-compose -f docker-compose.test-ui.yml -p "run-${PLAN_PREFIX}" up
+docker compose -f docker-compose.test-ui.yml -p "run-${PLAN_PREFIX}" up
 docker cp "run-${PLAN_PREFIX}_testui_1:/results/surefire-reports" ./results